<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" pageEncoding="UTF-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core_rt" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt_rt" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>

<html>
<head>
    <title>登录页</title>
    <%--echart线图、柱状图、饼图等各种图型库 cdn--%>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/echarts/5.4.3/echarts.min.js"></script>
    <%--jquery cdn--%>
    <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.1/jquery.js"></script>
</head>
<body>

<form action="list.do">
    名称/地址 <input name="nameOrAddress" value="${query.nameOrAddress}"><br>
    省 <select onchange="getCity()" name="provinceId">
    <option value="">请选择</option>
    <c:forEach items="${provinceList}" var="p">
        <option    ${query.provinceId == p.id ?'selected':''} value="${p.id}">${p.name}</option>
    </c:forEach>
</select><br>
    市 <select name="cityId">
    <option value="">请选择</option>
    </select><br>

    <input type="submit" value="查询"><br>
    <a href="/addPage.do">添加楼盘</a>

    <table>

        <tr>
            <td>id</td>
            <td>名称</td>
            <td>地址</td>
            <td>省份</td>
            <td>城市</td>
            <td>图片</td>
        </tr>

        <c:forEach items="${pageInfo.list}" var="l">
            <tr>
                <td>${l.id}</td>
                <td>${l.name}</td>
                <td>${l.address}</td>
                <td>${l.provinceName}</td>
                <td>${l.cityName}</td>
                <td><img src="${l.picUrl}"></td>
            </tr>
        </c:forEach>


    </table>
</form>


<script>

    getCity();

    function getCity() {

        let provinceId = $('[name=provinceId]').val(); //  省份id

        $.ajax({
            url: 'getCity.do?provinceId=' + provinceId,
            success: function (res) {
                console.log(res)

                $('[name=cityId]').empty();  // 清空城市的下拉框

                $('[name=cityId]').append('<option value="">请选择</option>')

                for (let x of res) { // 遍历城市
                    $('[name=cityId]').append('<option value=' + x.id + '>' + x.name + '</option>')
                }
                $('[name=cityId]').val(${query.cityId})
            }
        })

    }
</script>


</body>
</html>